JP2849776B2 - Root crop harvesting equipment - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a root crop harvesting apparatus for extracting root crops by pulling them out of a field, and in particular, a harvesting apparatus capable of simultaneously harvesting root crops having a plurality of furrows. It is about.

[Conventional technology]

Conventionally, a pair of endless belts rotating in a state of being opposed to and approaching each other on a traveling vehicle body are provided so as to be inclined such that the front end side is low and the rear end side is high, and vegetation is vegetated in a field between the front ends of both belts. BACKGROUND ART A root crop harvesting device is known in which root crops are extracted from a field and harvested by rotating both belts and moving a traveling vehicle body while holding the foliage of root vegetables. And one set of the above-mentioned pair of endless belts (for one article)
Equipped harvesting equipment was common.

[Problems to be solved by the invention]

When it is attempted to improve the efficiency of the harvesting operation by providing a plurality of sets of the above-mentioned pair of endless belts (for a plurality of strips), the ridge spacing of root crops differs according to the cultivation area, the type of root crop, etc. It is necessary to adjust the interval of the endless belt in accordance with the cultivation ridge interval, and the adjustment is not easy, and especially the configuration of the power transmission system to the rotary drive unit is complicated, and it is hardly practically used at present. .

The present invention has been made to solve the above problems.

[Means for solving the problem]

In order to achieve the above object, the present invention provides a
A pair of endless belts 2 and 3 that rotate in the opposite direction while approaching and facing a pair of upper and lower pulleys 8, 8, 11 and 11
Are provided so that the front end side is low and the rear end side is high, and the foliage of root vegetables vegetated in the field is sandwiched between the front end portions of both belts 2 and 3, and both belts 2 and 3 In a root crop harvesting apparatus configured to extract and harvest root crops from a field by rotation and forward traveling of a traveling vehicle body, a plurality of sets of the pair of endless belts 2 and 3 are arranged at predetermined intervals in the width direction of the machine body. Opening W and arranging in parallel, these sets of endless belts 2,3,2,3 are used as pulleys 8,8,8,8 on the rear end side as a rotation drive unit, and the front end side around these rotation drive units. Pulleys 11,11
Can be arbitrarily moved in the machine width direction, and the leading end of the endless belts 2 and 3 can be
Wide ridge width WW from standard ridge width SW for intervals W of 8,8,8,8,
It is characterized by moving to a narrow ridge width NW so that root crops of multiple ridges can be harvested at the same time.

[Action]

The present invention according to the above configuration, even when the cultivation ridge spacing of root vegetables is different, the endless belt is rotated around the rotation drive unit at each rear end of the plurality of sets of endless belts to set the front end in the machine width direction. By moving the root vegetables, the root vegetables can be harvested at the same time according to the cultivation ridge spacing of the root vegetables. Also,
The adjustment of the movement of the endless belt is simply performed by rotating the front end of the endless belt in the width direction of the body by rotating around the rotation drive unit of the rear end, so that the rotation drive unit can be adjusted as it is, and can be adjusted in a short time. The configuration is simplified.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a root crop harvesting apparatus mounted on a traveling vehicle body (not shown). Endless belts 2, 3 are provided so as to be inclined such that the front end side is low and the rear end side is high, and between the front ends of both belts 2, 3, foliage and the like of root vegetables vegetated in the field (not shown) The root vegetables are extracted from the field, harvested, and transported by the rotation of the belts 2 and 3 and the forward traveling of the traveling vehicle body.

That is, a transmission case 4 is obliquely provided on the rear end side of the endless belts 2 and 3, a drive shaft 5 is supported on the transmission case 4, and a sprocket 6 is attached to the lower end of the drive shaft 5. The drive pulley 8 attached to the upper end portion receives power from the traveling vehicle body via the chain 7 to rotate. The transmission case 4 supports the support frame 9 and the belt support frame 10, and the endless belts 2, 3 are wound between the drive pulley 8 and the floating pulley 11 that is pivotally supported at the end of the belt support frame 10. To rotate in a predetermined direction.

The pair of endless belts 2 and 3 are arranged in parallel in the width direction of the fuselage, and these two sets of endless belts 2 and 3 are rotationally driven around a drive shaft 5 at a rear end thereof. By rotating the endless belts 2 and 3 around the rotation drive unit, the front end thereof can be moved in the machine width direction, and the end portions of the endless belts 2 and 3 are moved according to the root cultivation ridge spacing, and a plurality of It is configured so that the root vegetables can be harvested at the same time. Although not shown, the endless belts 2 and 3 are rotated around the rotation drive unit, and the front ends thereof are moved in the machine body width direction so as to correspond to the root cultivation ridge spacing, and the body side To the endless belts 2 and 3
At the rear of the rear end, there is provided a storage case for storing the root vegetables extracted by the endless belts 2 and 3.

The two sets of endless belts 2 and 3 have a constant interval W between the rotary drive units, and a standard ridge width SW when the interval W between the rotary drive units is equal to the root cultivation ridge interval (FIG. 2). Then, as shown in FIG. 3, the ridge width WW is widened as shown in FIG. 3, and the ridge width NW is narrowed as shown in FIG.

Note that, in the above embodiment, the present invention relates to an endless belt.
Although the case where two sets of 2 and 3 are provided has been described, the present invention can be similarly implemented when two or more sets are provided.

In the root crop harvesting apparatus having such a configuration, first,
Before starting the harvesting operation, the endless belts 2 and 3 are rotated to the left and right around the rotation drive unit to move the front side of the endless belts 2 and 3 in the machine width direction to correspond to the root cultivation ridge spacing of root crops Then, the harvesting operation is started after adjusting and fixing the intervals such as the standard ridge width SW (FIG. 2), the wide ridge width WW (FIG. 3), and the narrow ridge width NW (FIG. 4). Then, foliage and the like of root vegetables vegetated in the field are sandwiched between the tip portions of both belts 2 and 3, and the root vegetables are rotated by rotation of both belts 2 and 3 and forward traveling of the traveling vehicle body. They are extracted from the field at the same time, harvested, and transported. The root vegetables extracted and conveyed backward by the belts 2 and 3 are stored in the storage case from the ends of the belts 2 and 3.

[Effects of the Invention] As described above, according to the root crop harvesting apparatus of the present invention, a plurality of sets of a pair of endless belts 2 and 3 are arranged in parallel at a predetermined interval W in the width direction of the fuselage. The endless belts 2,3,2,3 of the set are the pulleys 8,8,8,8 on the rear end side as the rotation drive units, and the pulleys 11,11 on the front end side are centered on these rotation drive units in the machine width direction. It can be moved arbitrarily, and the end portions of the endless belts 2 and 3 should be
Moved from the standard ridge width SW to the wide ridge width WW and the narrow ridge width NW for the interval W of 8, 8, 8 so that root crops of multiple ridges can be harvested at the same time. Even if different, the tip of the endless belt 2,3,2,3 is arbitrarily moved from the standard ridge width SW to the wide ridge width WW and the narrow ridge width NW in accordance with the cultivation ridge spacing, so that Can be harvested at the same time.

The endless belts 2,3,2,3 can be moved by rotating around the pulleys 8,8,8,8, which are the rotation drive units at the rear end, to arbitrarily move the front end in the machine width direction. Since only the movement is performed, the rotation drive unit can receive the power as it is and can rotate and drive the endless belts 2 and 3 so that the adjustment can be performed in a short time and the configuration can be simplified.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention, FIG. 2 is a plan view of an endless belt, and FIGS. 3 and 4 are explanatory views when the distance between the end portions of the endless belt is adjusted. 1. Root crop harvesting device, 2, 3 ... Endless belt, 4 ... Transmission case, 5 ... Drive shaft, 6 ... Sprocket,
7 ... Chain, 8 ... Drive pulley, 9 ... Support frame, 10 ... Belt support frame, 11 ... Floating pulley, W
… Rotation between rotating parts, SW… Standard ridge width, WW… Wide ridge width, NW …… Narrow ridge width.

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A01D 13/00-33/14

Claims (1)

(57) [Claims] 1. A pair of upper and lower pulleys (8, 8, 11,
A pair of endless belts (2, 3) that rotate in the direction facing each other when approaching and approaching 11)
The rear end of the belt (2,
With the foliage of root crops vegetated in the field interposed between the tips of 3), the root crops are extracted from the field and harvested by rotation of both belts (2, 3) and forward running of the traveling body. And a plurality of sets of the pair of endless belts (2, 3) are arranged side by side at predetermined intervals (W) in the width direction of the fuselage. 2,3,2,3) to the rear pulley (8,8,8,8,
8) is a rotary drive unit, and the pulleys (11, 11) on the tip side can be arbitrarily moved in the machine body width direction around these rotary drive units, and the endless belt (2, 3 ) From the standard ridge width (SW) to the wide ridge width (WW) and narrow ridge width (NW) for the interval (W) between the pulleys (8,8,8,8) on the rear end side A root crop harvesting device characterized in that root crops having a plurality of furrows can be harvested simultaneously.